US2637738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction of silanes with aliphatic unsaturated compounds
Assignee: Union Carbide Corp
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Filing: 1949-09-17
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Granted: 1953-05-05
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Expires: 1969-09-17
Abstract
No abstract record available.
Inventors
- 👤 George H Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:07
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0801; C07F7/12; C07F7/14
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
86 words
IN THE PROCESS FOR MAKING COMPOUNDS CONTAINING THE CARBON TO SILICON BOND BY REACTING ONE OF THE GROUP CONSISTING OF UNSATURATED ALIPHATIC HYDROCARBONS AND HALOGEN-SUBSTITUTED ALIPHATIC UNSATURATED HYDROCARBONS WITH A SILANE CONTAINING AT LEAST ONE HYDROGEN ATOM AND FROM TWO TO THREE CHLORINE ATOMS ATTACHED TO THE SILICON ATOM AND IN WHICH ANY VALENCE OF THE SILICON ATOM NOT SATISFIED WITH HYDROGEN OR CHLORINE IS SATIFIED WITH A MONOVALENT HYDROCARBON RADICAL, THE STEP OF PROMOTING THE REACTING WITH A CATALYST COMPOSED OF PLATINUM SUPPORTED ON CHARCOAL.
Claim 2
Dependent Claim
86 words
IN THE PROCESS FOR MAKING COMPOUNDS CONTAINING THE CARBON TO SILICON BOND BY REACTING ONE OF THE GROUP CONSISTING OF UNSATURATED ALIPHATIC HYDROCARBONS AND HALOGEN-SUBSTITUTED ALIPHATIC UNSATURATED HYDROCARBONS WITH A SILANE CONTAINING AT LEAST ONE HYDROGEN ATOM AND FROM TWO TO THREE CHLORINE ATOMS ATTACHED TO THE SILICON ATOM AND IN WHICH ANY VALENCE OF THE SILICON ATOM NOT SATISFIED WITH HYDROGEN OR CHLORINE IS SATIFIED WITH A MONOVALENT HYDROCARBON RADICAL, THE STEP OF PROMOTING THE REACTING WITH A CATALYST COMPOSED OF PLATINUM SUPPORTED ON CHARCOAL.
Claim 3
Dependent Claim
2 words
BETA, BETA-DIFLUOROETHYLTRICHLOROSILANE.
Claim 4
Dependent Claim
2 words
BETA, BETA-DIFLUOROETHYLTRICHLOROSILANE.
References Cited (Backward Citations)
US2379821A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-04 | 1956-11-03 | 1957-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-04 | 1960-11-03 | 1961-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-04 | 1964-11-03 | 1965-05-05 | $7700.00 | Window Closed / Lapsed |